Found by clang-tidy.
Change-Id: I2f89c6860d591c5c1563b9ca01306bb3d9e5e42c
Reviewed-on: https://code.wireshark.org/review/31359
Petri-Dish: Dario Lombardo <lomato@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
It's _WIN32, with a leading underscore, not WIN32. See, for example:
https://sourceforge.net/p/predef/wiki/OperatingSystems/
and
https://msdn.microsoft.com/en-us/library/b0084kay.aspx
*Some* environments may also define WIN32, but we shouldn't depend on
that.
Replace all-caps "WIN32" referring to Windows in comments and other text
with "Windows" or "Win32". (The two are pretty much equivalent, these
days; nobody much cares about Win16, not that we ever ran on it, and
64-bit Windows is just a 64-bitified Win32.)
Change-Id: Id327bcd4b1e9baa4f27055eff08c2d9e594d6f70
Reviewed-on: https://code.wireshark.org/review/10367
Petri-Dish: Guy Harris <guy@alum.mit.edu>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Guy Harris <guy@alum.mit.edu>
Routines that don't take a tvbuff as an argument shouldn't have tvb_ in
the name.
Change-Id: I3550256551e30b3f329cbbfca71ef27c727d29c0
Reviewed-on: https://code.wireshark.org/review/7302
Reviewed-by: Guy Harris <guy@alum.mit.edu>
Put the internal routines, which are only to be used by the
implementation of the mempbrk functions, to a separate header file, so
that they're not exported even in the standard header file.
Change-Id: I92c39b138de3e4f9da1b102210b39d50728e2fd6
Reviewed-on: https://code.wireshark.org/review/7300
Reviewed-by: Guy Harris <guy@alum.mit.edu>
There is no guarantee that a g_malloc'ed memory block will be aligned on a 128 bits boundary
Instead use a static variable definition (at the cost of exposing the HAVE_SSE4_2 compilation flag in ws_mempbrk.h)
Change-Id: I661bf479a9d458d64c96bafc940c519d29a4780b
Reviewed-on: https://code.wireshark.org/review/7070
Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
This combines the SSE4.2 instructions usage, with pre-compiled
pattern searching usage, for a faster pbrk search method.
Testing against large files of HTTP and SIP, there is about
a 5% performance improvement by using pre-"compiled" patterns
for guint8_pbrk() instead of passing it the search string and
having it build the match array every time.
Similar to regular expressions, "compiling" the pattern match array
in advance only once and using the "compiled" patterns for
the searches is faster than compiling it every time.
Change-Id: Ifcbc14a6c93f32d15663a10d974bacdca5119a8e
Ping-Bug: 10798
Reviewed-on: https://code.wireshark.org/review/6990
Petri-Dish: Hadriel Kaplan <hadrielk@yahoo.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
When ASAN is enabled, a false buffer overflow warning is raised. It is
a false positive since everything starting at '\0' will get ignored by
the PCMPISTRI instruction (see Intel(r) SSE4 Programming Reference,
5.3.1.5 "Valid/Invalid Override of Comparisons", and 5.3.1.2
"Aggregrate Operation", case "Equal any").
Concerns about reading past the end of the page turns out to be false,
there always seem to be a valid page after the current one (for static
and heap memory at least). It is an non-issue since strlen also does
not have issues with this.
Rather than fully disabling SSE 4.2 and using the fallback
implementation for ASAN-enabled builds, read the set of characters from
'a' into the mask without a 128-bit read and then still use SSE 4.2
for the actual query.
Bug: 10214
Change-Id: Ie4a526e60b43bfc08dd1d821556766f14a49be4d
Reviewed-on: https://code.wireshark.org/review/2618
Reviewed-by: Peter Wu <peter@lekensteyn.nl>
Reviewed-by: Evan Huus <eapache@gmail.com>
Pull the "cast this to a pointer to an __m128i" idiom into a macro, and
use the macro; have that macro use "const" in the casts.
Change-Id: Ife90b7daef2f09368790f3b2ffbb227d6d794dea
Reviewed-on: https://code.wireshark.org/review/2871
Reviewed-by: Guy Harris <guy@alum.mit.edu>
Add autotools macros to distribution
Call AX_EXT to define HAVE_SSE4_2
Change-Id: I9ff085d923dfafb32510cdd14290e74a2aaea302
Reviewed-on: https://code.wireshark.org/review/2110
Tested-by: Anders Broman <a.broman58@gmail.com>
Reviewed-by: Jeff Morriss <jeff.morriss.ws@gmail.com>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
In text protocols, like SIP, lot of time is spend guint8_pbrk(),
assume that text is not binary (no NULs), and use SSE4.2 pcmpistri
instruction.
Also move & rename guint8_pbrk() from tvbuff.c as _ws_mempbrk.
HAVE_SSE42 must be defined to use _ws_mempbrk_sse42() only activaded for
Windows currently.
Change-Id: Ic853d84805bdb6492c4f45d2bcc79a973fd9804e
Reviewed-on: https://code.wireshark.org/review/1730
Reviewed-by: Anders Broman <a.broman58@gmail.com>
Роман Донченко